blob: 17a1e96a8aad46fe91e6dd95bcc504db05711fb6 [file] [log] [blame]
From 960329a1e103dd6ce72f5c866c8f925b905cca76 Mon Sep 17 00:00:00 2001
From: Shayne Chen <shayne.chen@mediatek.com>
Date: Mon, 5 Dec 2022 18:21:51 +0800
Subject: [PATCH 1024/1031] wifi: mt76: mt7915: add bf backoff limit table
support
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
---
eeprom.c | 25 +++++++++-
mt76.h | 8 +++
mt7915/debugfs.c | 73 ++++++++++++++++++++++++++--
mt7915/mcu.c | 124 +++++++++++++++++++++++++++++++++++------------
mt7915/mcu.h | 6 +++
mt7915/mt7915.h | 4 +-
6 files changed, 203 insertions(+), 37 deletions(-)
diff --git a/eeprom.c b/eeprom.c
index 412740f..b2df0f4 100644
--- a/eeprom.c
+++ b/eeprom.c
@@ -317,7 +317,8 @@ s8 mt76_get_rate_power_limits(struct mt76_phy *phy,
if (!mcs_rates)
mcs_rates = 10;
- memset(dest, target_power, sizeof(*dest));
+ memset(dest, target_power, sizeof(*dest) - sizeof(dest->path));
+ memset(&dest->path, 0, sizeof(dest->path));
if (!IS_ENABLED(CONFIG_OF))
return target_power;
@@ -370,6 +371,28 @@ s8 mt76_get_rate_power_limits(struct mt76_phy *phy,
ARRAY_SIZE(dest->ru), val, len,
target_power, txs_delta, &max_power);
+ val = mt76_get_of_array(np, "paths-cck", &len, ARRAY_SIZE(dest->path.cck));
+ mt76_apply_array_limit(dest->path.cck, ARRAY_SIZE(dest->path.cck), val,
+ target_power, txs_delta, &max_power);
+
+ val = mt76_get_of_array(np, "paths-ofdm", &len, ARRAY_SIZE(dest->path.ofdm));
+ mt76_apply_array_limit(dest->path.ofdm, ARRAY_SIZE(dest->path.ofdm), val,
+ target_power, txs_delta, &max_power);
+
+ val = mt76_get_of_array(np, "paths-ofdm-bf", &len, ARRAY_SIZE(dest->path.ofdm_bf));
+ mt76_apply_array_limit(dest->path.ofdm_bf, ARRAY_SIZE(dest->path.ofdm_bf), val,
+ target_power, txs_delta, &max_power);
+
+ val = mt76_get_of_array(np, "paths-ru", &len, ARRAY_SIZE(dest->path.ru[0]) + 1);
+ mt76_apply_multi_array_limit(dest->path.ru[0], ARRAY_SIZE(dest->path.ru[0]),
+ ARRAY_SIZE(dest->path.ru), val, len,
+ target_power, txs_delta, &max_power);
+
+ val = mt76_get_of_array(np, "paths-ru-bf", &len, ARRAY_SIZE(dest->path.ru_bf[0]) + 1);
+ mt76_apply_multi_array_limit(dest->path.ru_bf[0], ARRAY_SIZE(dest->path.ru_bf[0]),
+ ARRAY_SIZE(dest->path.ru_bf), val, len,
+ target_power, txs_delta, &max_power);
+
return max_power;
}
EXPORT_SYMBOL_GPL(mt76_get_rate_power_limits);
diff --git a/mt76.h b/mt76.h
index b4e3429..2f801de 100644
--- a/mt76.h
+++ b/mt76.h
@@ -1030,6 +1030,14 @@ struct mt76_power_limits {
s8 ofdm[8];
s8 mcs[4][10];
s8 ru[7][12];
+
+ struct {
+ s8 cck[4];
+ s8 ofdm[4];
+ s8 ofdm_bf[4];
+ s8 ru[7][10];
+ s8 ru_bf[7][10];
+ } path;
};
struct mt76_ethtool_worker_info {
diff --git a/mt7915/debugfs.c b/mt7915/debugfs.c
index d66d104..2b63e56 100644
--- a/mt7915/debugfs.c
+++ b/mt7915/debugfs.c
@@ -1019,7 +1019,7 @@ mt7915_rate_txpower_get(struct file *file, char __user *user_buf,
if (!buf)
return -ENOMEM;
- ret = mt7915_mcu_get_txpower_sku(phy, txpwr, sizeof(txpwr));
+ ret = mt7915_mcu_get_txpower_sku(phy, txpwr, sizeof(txpwr), TX_POWER_INFO_RATE);
if (ret)
goto out;
@@ -1129,7 +1129,7 @@ mt7915_rate_txpower_set(struct file *file, const char __user *user_buf,
mutex_lock(&dev->mt76.mutex);
ret = mt7915_mcu_get_txpower_sku(phy, req.txpower_sku,
- sizeof(req.txpower_sku));
+ sizeof(req.txpower_sku), TX_POWER_INFO_RATE);
if (ret)
goto out;
@@ -1171,7 +1171,7 @@ out:
return ret ? ret : count;
}
-static const struct file_operations mt7915_rate_txpower_fops = {
+static const struct file_operations mt7915_txpower_fops = {
.write = mt7915_rate_txpower_set,
.read = mt7915_rate_txpower_get,
.open = simple_open,
@@ -1179,6 +1179,69 @@ static const struct file_operations mt7915_rate_txpower_fops = {
.llseek = default_llseek,
};
+static int
+mt7915_path_txpower_show(struct seq_file *file)
+{
+ struct mt7915_phy *phy = file->private;
+ s8 txpower[MT7915_SKU_PATH_NUM], *buf = txpower;
+ int ret;
+
+#define PATH_POWER_SHOW(_name, _len, _skip) do { \
+ if (_skip) { \
+ buf -= 1; \
+ *buf = 0; \
+ } \
+ mt76_seq_puts_array(file, _name, buf, _len); \
+ buf += _len; \
+ } while(0)
+
+ seq_printf(file, "\n%*c", 11, ' ');
+ seq_printf(file, "1T1S/2T1S/3T1S/4T1S/2T2S/3T2S/4T2S/3T3S/4T3S/4T4S\n");
+ ret = mt7915_mcu_get_txpower_sku(phy, txpower, sizeof(txpower),
+ TX_POWER_INFO_PATH);
+ if (ret)
+ return ret;
+
+ PATH_POWER_SHOW("CCK", 4, 0);
+ PATH_POWER_SHOW("OFDM", 4, 0);
+ PATH_POWER_SHOW("BF-OFDM", 4, 1);
+
+ PATH_POWER_SHOW("HT20", 10, 0);
+ PATH_POWER_SHOW("BF-HT20", 10, 1);
+ PATH_POWER_SHOW("HT40", 10, 0);
+ PATH_POWER_SHOW("BF-HT40", 10, 1);
+
+ PATH_POWER_SHOW("RU242", 10, 0);
+ PATH_POWER_SHOW("BF-RU242", 10, 1);
+ PATH_POWER_SHOW("RU484", 10, 0);
+ PATH_POWER_SHOW("BF-RU484", 10, 1);
+ PATH_POWER_SHOW("RU996", 10, 0);
+ PATH_POWER_SHOW("BF-RU996", 10, 1);
+ PATH_POWER_SHOW("RU2x996", 10, 0);
+ PATH_POWER_SHOW("BF-RU2x996", 10, 1);
+ PATH_POWER_SHOW("RU26", 10, 0);
+ PATH_POWER_SHOW("BF-RU26", 10, 0);
+ PATH_POWER_SHOW("RU52", 10, 0);
+ PATH_POWER_SHOW("BF-RU52", 10, 0);
+ PATH_POWER_SHOW("RU106", 10, 0);
+ PATH_POWER_SHOW("BF-RU106", 10, 0);
+#undef PATH_POWER_SHOW
+
+ return 0;
+}
+
+static int
+mt7915_txpower_path_show(struct seq_file *file, void *data)
+{
+ struct mt7915_phy *phy = file->private;
+
+ seq_printf(file, "\nBand %d\n", phy != &phy->dev->phy);
+
+ return mt7915_path_txpower_show(file);
+}
+
+DEFINE_SHOW_ATTRIBUTE(mt7915_txpower_path);
+
static int
mt7915_twt_stats(struct seq_file *s, void *data)
{
@@ -1265,7 +1328,9 @@ int mt7915_init_debugfs(struct mt7915_phy *phy)
debugfs_create_file("implicit_txbf", 0600, dir, dev,
&fops_implicit_txbf);
debugfs_create_file("txpower_sku", 0400, dir, phy,
- &mt7915_rate_txpower_fops);
+ &mt7915_txpower_fops);
+ debugfs_create_file("txpower_path", 0400, dir, phy,
+ &mt7915_txpower_path_fops);
debugfs_create_devm_seqfile(dev->mt76.dev, "twt_stats", dir,
mt7915_twt_stats);
debugfs_create_file("rf_regval", 0600, dir, dev, &fops_rf_regval);
diff --git a/mt7915/mcu.c b/mt7915/mcu.c
index ee951bc..9e64337 100644
--- a/mt7915/mcu.c
+++ b/mt7915/mcu.c
@@ -3300,7 +3300,8 @@ int mt7915_mcu_set_txpower_frame(struct mt7915_phy *phy,
int ret;
s8 txpower_sku[MT7915_SKU_RATE_NUM];
- ret = mt7915_mcu_get_txpower_sku(phy, txpower_sku, sizeof(txpower_sku));
+ ret = mt7915_mcu_get_txpower_sku(phy, txpower_sku, sizeof(txpower_sku),
+ TX_POWER_INFO_RATE);
if (ret)
return ret;
@@ -3342,51 +3343,98 @@ int mt7915_mcu_set_txpower_frame(struct mt7915_phy *phy,
int mt7915_mcu_set_txpower_sku(struct mt7915_phy *phy)
{
+#define TX_POWER_LIMIT_TABLE_RATE 0
+#define TX_POWER_LIMIT_TABLE_PATH 1
struct mt7915_dev *dev = phy->dev;
struct mt76_phy *mphy = phy->mt76;
struct ieee80211_hw *hw = mphy->hw;
- struct mt7915_mcu_txpower_sku req = {
+ struct mt7915_sku_val {
+ u8 format_id;
+ u8 limit_type;
+ u8 band_idx;
+ } __packed hdr = {
.format_id = TX_POWER_LIMIT_TABLE,
+ .limit_type = TX_POWER_LIMIT_TABLE_RATE,
.band_idx = phy->mt76->band_idx,
};
- struct mt76_power_limits limits_array;
- s8 *la = (s8 *)&limits_array;
- int i, idx;
- int tx_power;
+ int i, ret, tx_power;
+ const u8 *len = mt7915_sku_group_len;
+ struct mt76_power_limits la = {};
+ struct sk_buff *skb;
tx_power = mt7915_get_power_bound(phy, hw->conf.power_level);
tx_power = mt76_get_rate_power_limits(mphy, mphy->chandef.chan,
- &limits_array, tx_power);
+ &la, tx_power);
mphy->txpower_cur = tx_power;
- for (i = 0, idx = 0; i < ARRAY_SIZE(mt7915_sku_group_len); i++) {
- u8 mcs_num, len = mt7915_sku_group_len[i];
- int j;
+ skb = mt76_mcu_msg_alloc(&dev->mt76, NULL,
+ sizeof(hdr) + MT7915_SKU_RATE_NUM);
+ if (!skb)
+ return -ENOMEM;
- if (i >= SKU_HT_BW20 && i <= SKU_VHT_BW160) {
- mcs_num = 10;
+ skb_put_data(skb, &hdr, sizeof(hdr));
+ skb_put_data(skb, &la.cck, len[SKU_CCK] + len[SKU_OFDM]);
+ skb_put_data(skb, &la.mcs[0], len[SKU_HT_BW20]);
+ skb_put_data(skb, &la.mcs[1], len[SKU_HT_BW40]);
- if (i == SKU_HT_BW20 || i == SKU_VHT_BW20)
- la = (s8 *)&limits_array + 12;
- } else {
- mcs_num = len;
- }
+ /* vht */
+ for (i = 0; i < 4; i++) {
+ skb_put_data(skb, &la.mcs[i], sizeof(la.mcs[i]));
+ skb_put_zero(skb, 2); /* padding */
+ }
- for (j = 0; j < min_t(u8, mcs_num, len); j++)
- req.txpower_sku[idx + j] = la[j];
+ /* he */
+ skb_put_data(skb, &la.ru[0], sizeof(la.ru));
- la += mcs_num;
- idx += len;
+ ret = mt76_mcu_skb_send_msg(&dev->mt76, skb,
+ MCU_EXT_CMD(TX_POWER_FEATURE_CTRL), true);
+ if (ret)
+ return ret;
+
+ /* only set per-path power table when it's configured */
+ if (!la.path.ofdm[0])
+ return 0;
+
+ skb = mt76_mcu_msg_alloc(&dev->mt76, NULL,
+ sizeof(hdr) + MT7915_SKU_PATH_NUM);
+ if (!skb)
+ return -ENOMEM;
+
+ hdr.limit_type = TX_POWER_LIMIT_TABLE_PATH;
+ skb_put_data(skb, &hdr, sizeof(hdr));
+ skb_put_data(skb, &la.path.cck, sizeof(la.path.cck));
+ skb_put_data(skb, &la.path.ofdm, sizeof(la.path.ofdm));
+ skb_put_data(skb, &la.path.ofdm_bf[1], sizeof(la.path.ofdm_bf) - 1);
+
+ /* HT20 and HT40 */
+ skb_put_data(skb, &la.path.ru[0], sizeof(la.path.ru[0]));
+ skb_put_data(skb, &la.path.ru_bf[0][1], sizeof(la.path.ru_bf[0]) - 1);
+ skb_put_data(skb, &la.path.ru[1], sizeof(la.path.ru[1]));
+ skb_put_data(skb, &la.path.ru_bf[1][1], sizeof(la.path.ru_bf[1]) - 1);
+
+ /* start from non-bf and bf fields of
+ * BW20/RU242, BW40/RU484, BW80/RU996, BW160/RU2x996,
+ * RU26, RU52, and RU106
+ */
+ for (i = 7; i < 21; i++) {
+ bool bf = !(i % 2);
+ u8 idx = (i - 7) / 2;
+ s8 *buf = bf ? la.path.ru_bf[idx] : la.path.ru[idx];
+
+ /* The non-bf fields of RU26 to RU106 are special cases */
+ if (bf && i < 15)
+ skb_put_data(skb, buf + 1, 9);
+ else
+ skb_put_data(skb, buf, 10);
}
- return mt76_mcu_send_msg(&dev->mt76,
- MCU_EXT_CMD(TX_POWER_FEATURE_CTRL), &req,
- sizeof(req), true);
+ return mt76_mcu_skb_send_msg(&dev->mt76, skb,
+ MCU_EXT_CMD(TX_POWER_FEATURE_CTRL), true);
}
-int mt7915_mcu_get_txpower_sku(struct mt7915_phy *phy, s8 *txpower, int len)
+int mt7915_mcu_get_txpower_sku(struct mt7915_phy *phy, s8 *txpower, int len,
+ u8 category)
{
-#define RATE_POWER_INFO 2
struct mt7915_dev *dev = phy->dev;
struct {
u8 format_id;
@@ -3395,10 +3443,9 @@ int mt7915_mcu_get_txpower_sku(struct mt7915_phy *phy, s8 *txpower, int len)
u8 _rsv;
} __packed req = {
.format_id = TX_POWER_LIMIT_INFO,
- .category = RATE_POWER_INFO,
+ .category = category,
.band_idx = phy->mt76->band_idx,
};
- s8 txpower_sku[MT7915_SKU_RATE_NUM][2];
struct sk_buff *skb;
int ret, i;
@@ -3408,9 +3455,15 @@ int mt7915_mcu_get_txpower_sku(struct mt7915_phy *phy, s8 *txpower, int len)
if (ret)
return ret;
- memcpy(txpower_sku, skb->data + 4, sizeof(txpower_sku));
- for (i = 0; i < len; i++)
- txpower[i] = txpower_sku[i][req.band_idx];
+ if (category == TX_POWER_INFO_RATE) {
+ s8 res[MT7915_SKU_RATE_NUM][2];
+
+ memcpy(res, skb->data + 4, sizeof(res));
+ for (i = 0; i < len; i++)
+ txpower[i] = res[i][req.band_idx];
+ } else if (category == TX_POWER_INFO_PATH) {
+ memcpy(txpower, skb->data + 4, len);
+ }
dev_kfree_skb(skb);
@@ -3452,9 +3505,18 @@ int mt7915_mcu_set_sku_en(struct mt7915_phy *phy, bool enable)
.band_idx = phy->mt76->band_idx,
.sku_enable = enable,
};
+ int ret;
+
+ ret = mt76_mcu_send_msg(&dev->mt76,
+ MCU_EXT_CMD(TX_POWER_FEATURE_CTRL), &req,
+ sizeof(req), true);
+ if (ret)
+ return ret;
pr_info("%s: enable = %d\n", __func__, enable);
+ req.format_id = TX_POWER_LIMIT_PATH_ENABLE;
+
return mt76_mcu_send_msg(&dev->mt76,
MCU_EXT_CMD(TX_POWER_FEATURE_CTRL), &req,
sizeof(req), true);
diff --git a/mt7915/mcu.h b/mt7915/mcu.h
index 3da650c..240a315 100644
--- a/mt7915/mcu.h
+++ b/mt7915/mcu.h
@@ -502,12 +502,18 @@ enum {
enum {
TX_POWER_LIMIT_ENABLE,
+ TX_POWER_LIMIT_PATH_ENABLE = 0x3,
TX_POWER_LIMIT_TABLE = 0x4,
TX_POWER_LIMIT_INFO = 0x7,
TX_POWER_LIMIT_FRAME = 0x11,
TX_POWER_LIMIT_FRAME_MIN = 0x12,
};
+enum {
+ TX_POWER_INFO_PATH = 1,
+ TX_POWER_INFO_RATE,
+};
+
enum {
SPR_ENABLE = 0x1,
SPR_ENABLE_SD = 0x3,
diff --git a/mt7915/mt7915.h b/mt7915/mt7915.h
index 5e70b66..7584d1f 100644
--- a/mt7915/mt7915.h
+++ b/mt7915/mt7915.h
@@ -72,6 +72,7 @@
#define MT7915_CDEV_THROTTLE_MAX 99
#define MT7915_SKU_RATE_NUM 161
+#define MT7915_SKU_PATH_NUM 185
#define MT7915_MAX_TWT_AGRT 16
#define MT7915_MAX_STA_TWT_AGRT 8
@@ -556,7 +557,8 @@ int mt7915_mcu_set_test_param(struct mt7915_dev *dev, u8 param, bool test_mode,
int mt7915_mcu_set_ser(struct mt7915_dev *dev, u8 action, u8 set, u8 band);
int mt7915_mcu_set_sku_en(struct mt7915_phy *phy, bool enable);
int mt7915_mcu_set_txpower_sku(struct mt7915_phy *phy);
-int mt7915_mcu_get_txpower_sku(struct mt7915_phy *phy, s8 *txpower, int len);
+int mt7915_mcu_get_txpower_sku(struct mt7915_phy *phy, s8 *txpower, int len,
+ u8 category);
int mt7915_mcu_set_txpower_frame_min(struct mt7915_phy *phy, s8 txpower);
int mt7915_mcu_set_txpower_frame(struct mt7915_phy *phy,
struct ieee80211_vif *vif,
--
2.18.0